WO2013031008A1 - 車体構造 - Google Patents
車体構造 Download PDFInfo
- Publication number
- WO2013031008A1 WO2013031008A1 PCT/JP2011/069951 JP2011069951W WO2013031008A1 WO 2013031008 A1 WO2013031008 A1 WO 2013031008A1 JP 2011069951 W JP2011069951 W JP 2011069951W WO 2013031008 A1 WO2013031008 A1 WO 2013031008A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- reinforcement
- rocker
- floor
- width direction
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars
Definitions
- the present invention relates to a vehicle body structure.
- JP 2006-264541 A JP-A-6-32137 Japanese Utility Model Publication No. 6-27452 JP 2008-68720 A JP 2008-279889 A JP 2010-155403 A JP-A-6-99857 JP 7-61374 A Japanese Utility Model Publication No. 4-35974 JP 2000-264256 A
- the collision load transmitted through the front side member includes the rocker, the floor under reinforcement, and the floor upper reinforcement. Is transmitted to the reinforcing members provided on the inner side in the vehicle width direction.
- This invention is made in view of the said subject, Comprising: It aims at providing the vehicle body structure which can improve the collision performance at the time of an offset collision, reducing cost.
- a vehicle body structure is provided with a floor panel constituting a floor portion of a passenger compartment and extending in the vehicle front-rear direction on the vehicle width direction outer side of the floor panel. And a cross section cut along the vehicle width direction forms a closed cross section, and is configured to include a rocker upper and a rocker lower divided in the vehicle vertical direction, and a center of the floor panel in the vehicle width direction.
- a floor reinforcement is provided at the center of the floor panel between the tunnel portion and the rocker formed in the vehicle width direction center portion and on the vehicle rear side of the front side member. Yes. Further, an intermediate reinforcement is provided between the rocker and the floor reinforcement.
- the collision load at the time of the offset collision can be efficiently transmitted to the rear side of the vehicle through the three skeletons of the rocker, the floor reinforcement, and the intermediate reinforcement.
- the reinforcing member provided in the center in the direction, that is, in the vicinity of the tunnel portion can be eliminated.
- the intermediate reinforcement lower which comprises the newly added intermediate reinforcement is formed integrally with Rockaroa through a flange portion coupled from the vehicle lower side to the vehicle width direction outer end portion of the floor panel.
- the vehicle body structure according to the second aspect of the present invention is the vehicle body structure according to the first aspect of the present invention, wherein the connection portion between the flange portion and the rocker lower, and the connection portion between the flange portion and the intermediate reinforcement lower. Further, ridge lines extending in the vehicle front-rear direction are respectively formed.
- a ridge line extending in the vehicle front-rear direction is formed at a connection portion between the flange portion and the rocker loa and a connection portion between the flange portion and the intermediate reinforcement lower.
- the vehicle body structure according to the third aspect of the present invention is the vehicle body structure according to the first aspect or the second aspect of the present invention, wherein the rocker upper is formed integrally with an end portion on the outer side in the vehicle width direction of the floor panel. It is said that.
- the rocker upper is formed integrally with the floor panel. Therefore, this can also suppress an increase in the number of parts, thereby reducing the cost.
- the vehicle body structure according to a fourth aspect of the present invention is the vehicle body structure according to any one of the first aspect to the third aspect of the present invention, wherein the floor reinforcement is formed integrally with the floor panel. And a floor reinforcement lower disposed at a vehicle lower side of the floor panel and having a cross-section cut along the vehicle width direction at the floor reinforcement upper to form a closed cross section. A reinforcement lower is formed between the floor reinforcement lower and formed integrally with the floor reinforcement lower via a flange portion coupled to the floor panel from the lower side of the vehicle.
- the cross section cut along the vehicle width direction forms a closed cross section.
- the floor reinforcement upper constituting the floor reinforcement is formed integrally with the floor panel, and the floor reinforcement lower is connected to the intermediate reinforcement lower via a flange portion formed between the floor reinforcement lower and the intermediate reinforcement lower. And is integrally formed. Therefore, this can also suppress an increase in the number of parts, thereby reducing the cost.
- a vehicle body structure according to a fifth aspect of the present invention is the vehicle body structure according to any one of the first aspect to the fourth aspect of the present invention, wherein the vehicle is formed integrally with the floor panel and the intermediate reinforcement lower.
- An intermediate reinforcement upper that constitutes the intermediate reinforcement in which a cross section cut along the width direction forms a closed cross section is further provided.
- the cross section cut along the vehicle width direction forms a closed cross section.
- the intermediate reinforcement upper constituting the intermediate reinforcement is formed integrally with the floor panel. Therefore, this can also suppress an increase in the number of parts, thereby reducing the cost.
- the vehicle body structure according to a sixth aspect of the present invention is the vehicle body structure according to any one of the first to fifth aspects of the present invention, wherein the floor panel, the rocker, the floor reinforcement, and the intermediate reinforcement Among the ment, at least the rocker is formed of a high-tensile steel plate.
- At least the rocker among the floor panel, the rocker, the floor reinforcement, and the intermediate reinforcement is formed of a high-tensile steel plate.
- a vehicle body structure according to a seventh aspect of the present invention is the vehicle body structure according to any one of the first to sixth aspects of the present invention, and extends in the vehicle width direction, the rocker, the intermediate reinforcement, A floor reinforcement and a plurality of connecting portions that connect each of the tunnel portions are further provided.
- the rocker, the intermediate reinforcement, the floor reinforcement, and the tunnel portion are connected by a plurality of connecting portions extending in the vehicle width direction. This improves the connection rigidity of each of the rocker, intermediate reinforcement, floor reinforcement, and tunnel part, so that the collision load at the time of offset collision can be transmitted more efficiently and at the time of side collision. The collision load can be transmitted even more efficiently.
- the vehicle body structure according to an eighth aspect of the present invention is the vehicle body structure according to any one of the first aspect to the seventh aspect of the present invention, wherein the rocker upper is a pair of side walls facing the vehicle width direction, and the pair of And an upper wall portion that connects the vehicle upper end of the side wall portion, and a ridge line extending in the vehicle front-rear direction is formed at the connection portion between the pair of side wall portions and the upper wall portion, and And the vehicle upper side of the rocker extends in the vertical direction of the vehicle, the lower part is coupled to the pair of side walls, and each of the pair of ridge lines formed on the rocker upper and the position in the vehicle width direction.
- the rocker upper is a pair of side walls facing the vehicle width direction, and the pair of And an upper wall portion that connects the vehicle upper end of the side wall portion, and a ridge line extending in the vehicle front-rear direction is formed at the connection portion between the pair of side wall portions and the upper wall portion, and And the vehicle upper side of the rocker extend
- the position of the pair of ridge lines formed in the rocker upper and the pair of ridge lines formed in the pillar coincide with each other in the vehicle width direction, so that the coupling rigidity of the pillar to the rocker is improved. Can be made.
- the vehicle body structure according to the ninth aspect of the present invention is the vehicle body structure according to the eighth aspect of the present invention, wherein the pillar is a pillar lower and the lower end portion is overlapped with the upper end portion of the pillar lower in the vehicle vertical direction. It has a coupled pillar upper, and a door hinge that supports an openable / closable door provided on a side portion of the vehicle is fixed to an overlap portion of the pillar lower and the pillar upper.
- the door hinge is fixed to the overlap portion between the pillar lower and the pillar upper, the mounting strength of the door hinge can be improved.
- FIG. 1 is a plan view of a vehicle body to which a vehicle body structure according to an embodiment of the present invention is applied.
- FIG. 2 is a sectional view taken along line 2-2 of FIG.
- FIG. 3 is a sectional view taken along line 3-3 in FIG. 1.
- It is a principal part expansion perspective view of the front pillar periphery part of the vehicle body shown by FIG.
- It is a principal part expansion perspective view of the center pillar periphery part of the vehicle body shown by FIG.
- It is sectional drawing corresponding to FIG. 2 which shows the 1st modification of the vehicle body structure which concerns on one Embodiment of this invention.
- FIG. 2 shows the 2nd modification of the vehicle body structure which concerns on one Embodiment of this invention.
- It is sectional drawing corresponding to FIG. 2 of the vehicle body structure which concerns on a reference
- an arrow UP, an arrow FR, and an arrow OUT shown in each figure indicate the vehicle vertical direction upper side, the vehicle front-rear direction front side, and the vehicle width direction outer side (right side).
- a vehicle body structure 10 according to an embodiment of the present invention is applied to a vehicle body B shown in FIG.
- the vehicle body B is used for a vehicle such as a passenger car, and includes a floor panel upper 20, a rocker 30, a floor reinforcement 40, and an intermediate reinforcement 50.
- the floor panel upper 20 corresponds to the floor panel in the present invention.
- the floor panel upper 20 constitutes a floor portion of the passenger compartment, and extends in the vehicle front-rear direction and the vehicle width direction.
- a tunnel portion 22 extending in the vehicle front-rear direction is formed at the center of the floor panel upper 20 in the vehicle width direction. As shown in FIG. 2, the tunnel portion 22 is convex on the vehicle upper side. Inside the tunnel portion 22, for example, an exhaust pipe connected to an engine (not shown) is disposed inside the tunnel portion 22, for example.
- the rocker 30 is provided outside the floor panel upper 20 in the vehicle width direction so as to extend in the vehicle front-rear direction.
- the rocker 30 has a closed cross section cut along the vehicle width direction, and includes a rocker upper 32 and a rocker lower 34 that are divided in the vehicle vertical direction.
- the rocker upper 32 has a pair of side wall portions 32A and 32B facing in the vehicle width direction, and an upper wall portion 32C connecting the end portions on the vehicle upper side of the pair of side wall portions 32A and 32B.
- the Rockaroa 34 has a pair of side wall portions 34A and 34B facing each other in the vehicle width direction, and a lower wall portion 34C that connects end portions on the vehicle lower side of the pair of side wall portions 34A and 34B. Convex on the lower side.
- a flange portion 60 extending outward in the vehicle width direction is formed at an end portion of the rocker upper 32 on the outer side in the vehicle width direction, and a flange portion extending similarly outward in the vehicle width direction is formed at an end portion of the rocker lower 34 on the outer side in the vehicle width direction.
- 61 is formed.
- the flange portion 60 and the flange portion 61 are coupled to each other by, for example, spot welding or the like in a state where they are overlapped in the vehicle vertical direction.
- a flange 62 extending toward the rocker upper 32 is formed at the outer end of the floor panel upper 20 in the vehicle width direction.
- the rocker upper 32 is formed integrally with the flange 62.
- a flange 63 extending in the vehicle width direction is formed between the rocker lower 34 and an intermediate reinforcement lower 54 described later. And this flange part 63 is couple
- the flange part 62 is corresponded in the "vehicle width direction outer side edge part in a floor panel" in this invention.
- the flange portion 63 corresponds to the “flange portion coupled to the end portion on the outer side in the vehicle width direction of the floor panel from the vehicle lower side” in the present invention.
- the floor reinforcement 40 is provided at the center between the tunnel portion 22 and the rocker 30 so as to extend in the vehicle front-rear direction. Further, as shown in FIG. 1, the floor reinforcement 40 is disposed on the vehicle rear side of the front side member 12 provided in the front portion of the vehicle body.
- the floor reinforcement 40 has a cross section cut along the vehicle width direction to form a closed cross section, and includes a floor reinforcement upper 42 and a floor reinforcement lower 44. Has been.
- the floor reinforcement upper 42 is formed integrally with the floor panel upper 20.
- the floor reinforcement upper 42 has a pair of side wall portions 42A and 42B facing each other in the vehicle width direction, and an upper wall portion 42C connecting the end portions on the vehicle upper side of the pair of side wall portions 42A and 42B. Convex on the upper side of the vehicle.
- the floor reinforcement lower 44 is arranged on the vehicle lower side of the floor panel upper 20.
- the floor reinforcement lower 44 has a pair of side wall portions 44A and 44B facing each other in the vehicle width direction, and a lower wall portion 44C connecting the end portions on the vehicle lower side of the pair of side wall portions 44A and 44B. Convex on the lower side of the vehicle.
- a flange portion 64 extending inward in the vehicle width direction is formed at an end portion on the vehicle lower side of the side wall portion 42A on the inner side in the vehicle width direction of the pair of side wall portions 42A and 42B.
- a flange 65 extending inward in the vehicle width direction is formed at the vehicle upper end of the side wall 44A on the vehicle width direction inner side of the pair of side wall portions 44A, 44B.
- the flange portion 64 and the flange portion 65 are coupled to each other by, for example, spot welding or the like in a state where they are overlapped in the vehicle vertical direction.
- the intermediate reinforcement 50 is provided between the rocker 30 and the floor reinforcement 40 so as to extend in the vehicle front-rear direction.
- the intermediate reinforcement 50 has a closed cross section cut along the vehicle width direction, and includes an intermediate reinforcement upper 52 and an intermediate reinforcement lower 54.
- the intermediate reinforcement upper 52 is formed integrally with the floor panel upper 20.
- the intermediate reinforcement upper 52 includes a pair of side wall portions 52A and 52B that face each other in the vehicle width direction, and an upper wall portion 52C that connects the vehicle upper ends of the pair of side wall portions 52A and 52B. Convex on the upper side of the vehicle.
- the intermediate reinforcement lower 54 is disposed below the floor panel upper 20 in the vehicle.
- the intermediate reinforcement lower 54 has a pair of side wall portions 54A and 54B facing each other in the vehicle width direction, and a lower wall portion 54C connecting the end portions on the vehicle lower side of the pair of side wall portions 54A and 54B. Convex on the lower side of the vehicle.
- the intermediate reinforcement lower 54 is formed integrally with the Rockaroa 34 via the flange portion 63 described above.
- the intermediate reinforcement lower 54 is formed integrally with the floor reinforcement lower 44 via a flange portion 66 formed between the floor reinforcement lower 44 and the intermediate reinforcement lower 44.
- rocker lower 34, floor reinforcement lower 44, and intermediate reinforcement lower 54 are integrally formed on the floor panel lower 24 provided on the vehicle lower side of the floor panel upper 20.
- the above-described flange portion 66 is superimposed on the flange portion 67 formed between the floor reinforcement upper 42 and the intermediate reinforcement upper 52 in the floor panel upper 20 from the lower side of the vehicle. And, for example, by spot welding.
- the flange portion 66 corresponds to the “flange portion formed between the intermediate reinforcement lower and the floor reinforcement lower and coupled to the floor panel from the lower side of the vehicle” in the present invention.
- ridge lines 70 and 71 extending in the vehicle front-rear direction are formed at the connecting portion between the flange portion 62 and the rocker upper 32 and the connecting portion between the flange portion 62 and the intermediate reinforcement upper 52, respectively.
- ridgelines 72 and 73 extending in the vehicle front-rear direction are formed at the connection portion between the flange portion 63 and the rocker lower 34 and the connection portion between the flange portion 63 and the intermediate reinforcement lower 54, respectively.
- ridge lines 74 and 75 extending in the vehicle front-rear direction are formed at the connecting portion between the flange portion 67 and the floor reinforcement upper 42 and the connecting portion between the flange portion 67 and the intermediate reinforcement upper 52, respectively. Yes.
- ridge lines 76 and 77 extending in the vehicle front-rear direction are formed at the connection portion between the flange portion 66 and the floor reinforcement lower 44 and the connection portion between the flange portion 66 and the intermediate reinforcement lower 54, respectively. ing.
- all of the above-described floor panel upper 20, rocker 30, floor reinforcement 40, and intermediate reinforcement 50 are formed of high-tensile steel plates.
- at least the rocker 30 of the floor panel upper 20, the rocker 30, the floor reinforcement 40, and the intermediate reinforcement 50 is formed of a high-tensile steel plate.
- the floor panel upper 20, the rocker 30, the floor reinforcement 40, and the intermediate reinforcement 50 may have different thicknesses and materials.
- tailored blanking is preferably used when the floor panel upper 20 and the floor panel lower 24 are formed.
- ridge lines 80 and 81 are formed at connecting portions between the pair of side wall portions 32A and 32B and the upper wall portion 32C in the above-described rocker upper 32, respectively.
- the pair of ridge lines 80 and 81 extend in the vehicle longitudinal direction.
- a front pillar 90 extending in the vehicle vertical direction is provided on the vehicle upper side of the rocker 30.
- a pair of coupling pieces 91A and 91B facing the vehicle width direction are formed at the lower part of the front pillar 90, and the pair of coupling pieces 91A and 91B are formed on the pair of side wall portions 32A and 32B in the vehicle width direction.
- the front pillar 90 has a cross section cut along the horizontal direction of the vehicle to form a closed cross section, and includes a front pillar inner 92 and a front pillar outer 93 which are divided in the vehicle width direction. Yes.
- the front pillar inner 92 includes a pair of side wall portions 92A and 92B facing in the vehicle front-rear direction and an inner wall portion 92C that connects ends of the pair of side wall portions 92A and 92B in the vehicle width direction. And protrudes inward in the vehicle width direction.
- the front pillar outer 93 has a pair of side wall portions 93A and 93B facing each other in the vehicle front-rear direction, and an outer wall portion 93C that connects ends of the pair of side wall portions 93A and 93B on the outer side in the vehicle width direction. Convex is formed outward in the vehicle width direction.
- the lower portion of the side wall portion 92A on the vehicle rear side is curved so as to go to the vehicle rear side as it goes to the vehicle lower side.
- the lower part of the side wall part 93A on the vehicle rear side of the pair of side wall parts 93A and 93B is curved so as to go to the vehicle rear side as it goes to the vehicle lower side.
- ridge lines 100 are respectively formed at the connection portions between the pair of side wall portions 92A and 92B and the inner wall portion 92C.
- the pair of ridge lines 100 extend in the vehicle vertical direction.
- a ridgeline 101 is formed at a connection portion between the pair of side wall portions 93A and 93B and the outer wall portion 93C.
- the pair of ridge lines 101 extend in the vehicle vertical direction.
- the pair of ridge lines 100 and the above-mentioned ridge line 80 are respectively aligned in the vehicle width direction, and the pair of ridge lines 101 and the above-mentioned ridge line 81 are respectively aligned in the vehicle width direction.
- the ridge line 100 on the vehicle rear side of the pair of ridge lines 100 is curved so as to go to the vehicle rear side toward the vehicle lower side, and is continuous with the ridge line 80.
- the ridge line 100 on the vehicle front side of the pair of ridge lines 100 extends in the vehicle vertical direction and is continuous with the ridge line 80 (intersects with the ridge line 80).
- the ridge line 101 on the vehicle rear side of the pair of ridge lines 101 is curved so as to go to the vehicle rear side toward the vehicle lower side, and is continuous with the ridge line 81.
- the ridge line 101 on the vehicle front side of the pair of ridge lines 101 extends in the vehicle vertical direction and is continuous with the ridge line 81 (intersects with the ridge line 81).
- the above-described front pillar inner 92 has a front pillar inner lower 94 and a front pillar inner upper 95.
- the lower end portion 95A of the front pillar inner upper 95 is joined to the upper end portion 94A of the front pillar inner lower 94 in the vertical direction of the vehicle, for example, by spot welding or the like.
- the above-described front pillar outer 93 includes a front pillar outer lower 96 and a front pillar outer upper 97.
- the lower end portion 97A of the front pillar outer upper 97 is coupled to the upper end portion 96A of the front pillar outer lower 96 in the vehicle vertical direction, for example, by spot welding or the like.
- the front door 110 (see FIG. 2) provided on the side of the vehicle can be opened and closed at an overlap portion 98 between the front pillar outer lower 96 and the front pillar outer upper 97.
- a supporting door hinge 112 is fixed by a bolt 114 and a nut 116.
- front pillar inner lower 94 and the front pillar outer lower 96 constitute a front pillar lower 90A
- front pillar inner upper 95 and the front pillar outer upper 97 constitute a front pillar upper 90B
- a side outer panel 117 is provided outside the front pillar 90 in the vehicle width direction.
- the above-described front pillar 90 corresponds to a “pillar” in the present invention. Further, the front pillar lower 90A corresponds to the “pillar lower” in the present invention, and the front pillar upper 90B corresponds to the “pillar upper” in the present invention.
- the front door 110 corresponds to the “door” in the present invention, and the coupling pieces 91A and 91B correspond to “the lower part of the pillar” in the present invention.
- a center pillar 120 is provided on the rear side of the front pillar 90 as shown in FIG.
- the center pillar 120 is provided on the vehicle upper side of the rocker 30 so as to extend in the vehicle vertical direction.
- a pair of coupling pieces 121A and 121B facing the vehicle width direction are formed at the lower part of the center pillar 120, and the pair of coupling pieces 121A and 121B are formed on the pair of side wall portions 32A and 32B in the vehicle width direction.
- the center pillar 120 has a cross section cut along the vehicle horizontal direction to form a closed cross section, and includes a center pillar inner 122 and a center pillar outer 123 that are divided in the vehicle width direction. Yes.
- the center pillar inner 122 includes a pair of side wall portions 122A and 122B facing in the vehicle front-rear direction, and an inner wall portion 122C that connects ends of the pair of side wall portions 122A and 122B in the vehicle width direction. Convex is formed on the inner side in the width direction.
- the center pillar outer 123 has a pair of side wall portions 123A and 123B facing in the vehicle front-rear direction, and an outer wall portion 123C connecting the ends of the pair of side wall portions 123A and 123B on the outer side in the vehicle width direction. Convex is formed outward in the vehicle width direction.
- the lower portions of the side wall portions 122A and 123A are curved so as to go to the vehicle front side as they go to the vehicle lower side.
- the lower portions of the side wall portions 122B and 123B are curved so as to go to the vehicle rear side as going to the vehicle lower side.
- ridge lines 130 are respectively formed at the connection portions between the pair of side wall portions 122A and 122B and the inner wall portion 122C. The pair of ridge lines 130 extend in the vehicle vertical direction.
- ridge lines 131 are formed at the connection portions between the pair of side wall portions 123A and 123B and the outer wall portion 123C, respectively. The pair of ridge lines 131 respectively extend in the vehicle vertical direction.
- the pair of ridge lines 130 and the above-mentioned ridge line 80 are respectively aligned in the vehicle width direction, and the pair of ridge lines 131 and the above-mentioned ridge line 81 are respectively aligned in the vehicle width direction.
- the ridge line 130 on the vehicle rear side is curved so as to go to the vehicle rear side toward the vehicle lower side, and is continuous with the ridge line 80.
- the ridge line 130 on the vehicle front side is curved so as to go to the vehicle front side toward the vehicle lower side, and is continuous with the ridge line 80.
- the ridge line 131 on the vehicle rear side of the pair of ridge lines 131 is curved so as to go to the vehicle rear side toward the vehicle lower side, and is continuous with the ridge line 81.
- the ridge line 131 on the vehicle front side is curved so as to go to the vehicle front side toward the vehicle lower side, and is continuous with the ridge line 81.
- the center pillar inner 122 described above includes a center pillar inner lower 124 and a center pillar inner upper 125.
- the lower end portion 125A of the center pillar inner upper 125 is coupled to the upper end portion 124A of the center pillar inner lower 124 by spot welding or the like so as to overlap in the vehicle vertical direction.
- the center pillar outer 123 described above includes a center pillar outer lower 126 and a center pillar outer upper 127.
- the lower end portion 127A of the center pillar outer upper 127 is coupled to the upper end portion 126A of the center pillar outer lower 126 in the vehicle vertical direction, for example, by spot welding or the like.
- a door hinge 132 is fixed to an overlap portion 128 between the center pillar outer lower 126 and the center pillar outer upper 127 so as to open and close a rear door (not shown) provided on the side of the vehicle.
- the center pillar inner lower 124 and the center pillar outer lower 126 constitute a center pillar lower 120A
- the center pillar inner upper 125 and the center pillar outer upper 127 constitute a center pillar upper 120B.
- the center pillar 120 described above corresponds to the “pillar” in the present invention.
- the center pillar lower 120A corresponds to the “pillar lower” in the present invention
- the center pillar upper 120B corresponds to the “pillar upper” in the present invention.
- the above-described rear door (not shown) corresponds to the “door” in the present invention
- the coupling pieces 121A and 121B correspond to “the lower part of the pillar” in the present invention.
- a center portion between a tunnel portion 22 and a rocker 30 formed in a vehicle width direction center portion of a floor panel upper 20 A floor reinforcement 40 is provided on the rear side of the vehicle.
- An intermediate reinforcement 50 is provided between the rocker 30 and the floor reinforcement 40.
- the collision load F1 transmitted through the front side member 12 does not detour once inward in the vehicle width direction, and the rocker 30, floor reinforcement Are transmitted to the vehicle rear side through the three skeletons of the ment 40 and the intermediate reinforcement 50.
- the collision load at the time of offset collision can be transmitted efficiently, the collision performance at the time of offset collision can be improved.
- the collision load F1 at the time of the offset collision can be efficiently transmitted to the vehicle rear side through the rocker 30, the floor reinforcement 40, and the intermediate reinforcement 50, so that the vehicle of the floor panel upper 20
- the reinforcing member provided in the center in the width direction, that is, in the vicinity of the tunnel portion 22 can be eliminated.
- the intermediate reinforcement lower 54 constituting the newly added intermediate reinforcement 50 is formed integrally with the rocker lower 34 via the flange portion 63, and via the flange portion 66.
- the floor reinforcement lower 44 is integrally formed.
- an intermediate reinforcement upper 52 and a floor reinforcement upper 42 are formed integrally with the floor panel upper 20, and the rocker upper 32 is formed integrally with the floor panel upper 20.
- the cross sections cut along the vehicle width direction each form a closed cross section.
- ridge lines 70 and 71 extending in the vehicle front-rear direction are formed at the connecting portion between the flange portion 62 and the rocker upper 32 and the connecting portion between the flange portion 62 and the intermediate reinforcement upper 52, respectively.
- Ridge lines 74 and 75 extending in the vehicle front-rear direction are formed at a connection portion between the portion 67 and the floor reinforcement upper 42 and a connection portion between the flange portion 67 and the intermediate reinforcement upper 52, respectively.
- ridge lines 72 and 73 extending in the vehicle front-rear direction are formed at the connecting portion between the flange portion 63 and the rocker lower 34 and the connecting portion between the flange portion 63 and the intermediate reinforcement lower 54, respectively.
- Ridges 76 and 77 extending in the vehicle front-rear direction are formed at a connection portion between the flange portion 66 and the floor reinforcement lower 44 and a connection portion between the flange portion 66 and the intermediate reinforcement lower 54, respectively.
- the rigidity of the floor reinforcement 40 and the intermediate reinforcement 50 can be improved. Therefore, also by this, the collision load at the time of the offset collision can be transmitted more efficiently.
- the collision load F2 is input to the rocker 30 at the time of a side collision. Even in this case, the collision load F2 can be transmitted to the inner side in the vehicle width direction in the order of the rocker 30, the intermediate reinforcement 50, and the floor reinforcement 40. Therefore, since the collision load F2 at the time of a side collision can be transmitted efficiently, the collision performance at the time of a side collision can also be improved.
- the collision load can be transmitted to the rear side of the vehicle through the rocker 30 and the intermediate reinforcement 50 even in the case of a minute lap collision that collides with the front surface of the vehicle on the outer side in the vehicle width direction as compared with the case of the offset collision.
- the collision load at the time of a minute lap collision can be transmitted efficiently, the collision performance at the time of a minute lap collision can also be improved.
- At least the rocker 30 among the floor panel upper 20, the rocker 30, the floor reinforcement 40, and the intermediate reinforcement 50 is formed of a high-tensile steel plate. If comprised in this way, while being able to lighten a vehicle body, the intensity
- the positions in the vehicle width direction of the pair of ridge lines 80 and 81 formed on the rocker upper 32 and the pair of ridge lines 100 and 101 formed on the front pillar 90 coincide with each other. Therefore, the coupling rigidity of the front pillar 90 to the rocker 30 can be improved.
- the positions in the vehicle width direction of the pair of ridge lines 80 and 81 formed on the rocker upper 32 and the pair of ridge lines 130 and 131 formed on the center pillar 120 coincide with each other. Therefore, the coupling rigidity of the center pillar 120 to the rocker 30 can be improved.
- the reinforcing members for reinforcing the front pillar 90 and the center pillar 120 can be reduced or downsized, the cost can be reduced and the weight can be reduced.
- the door hinge 112 is fixed to the overlap portion 98 between the front pillar lower 90A and the front pillar upper 90B, so that the mounting strength of the door hinge 112 can be improved.
- the door hinge 132 is fixed to the overlap portion 128 between the center pillar lower 120A and the center pillar upper 120B, so that the mounting strength of the door hinge 132 can be improved.
- the rocker 30 includes a rocker upper 32 and a rocker lower 34 that are divided in the vehicle vertical direction. Therefore, since the flange portions 60 and 61 or the flange portions 62 and 63 that connect the rocker upper 32 and the rocker lower 34 do not protrude toward the vehicle upper side, the amount of protrusion of the rocker 30 toward the vehicle upper side can be suppressed. Thereby, since the height of the rocker 30 can be made low, the boarding / alighting property to a vehicle can be improved.
- the floor reinforcement upper 42 and the intermediate reinforcement upper 52 are integrally formed with the floor panel upper 20, but as shown in FIG. A portion between the portion 22 and the rocker 30 may be formed in a flat plate shape.
- the floor reinforcement 40 and the intermediate reinforcement 50 may be configured to have only the floor reinforcement lower 44 and the intermediate reinforcement lower 54, respectively.
- the space between the rocker 30, the intermediate reinforcement 50, the floor reinforcement 40, and the tunnel portion 22 extends in the vehicle width direction. It may be connected by a plurality of existing connecting portions 140, 141, 142.
- the plurality of connecting portions 140, 141, 142 are integrally formed with the floor panel upper 20, and are convex on the vehicle upper side.
- connection rigidity of each of the rocker 30, the intermediate reinforcement 50, the floor reinforcement 40, and the tunnel portion 22 is improved, so that the collision load at the time of the offset collision can be transmitted more efficiently.
- the collision load at the time of a side collision can be transmitted more efficiently.
- connection part 140,141,142 is formed in the floor panel upper 20 and the floor panel lower 24, it may have convex on the vehicle lower side.
- the plurality of connecting portions 140, 141, 142 may be configured by cross members that are continuous in the vehicle width direction. Even if comprised in this way, the effect
- the floor panel constituting the floor of the passenger compartment, and the floor panel provided on the outside of the floor panel in the vehicle width direction extending in the vehicle front-rear direction, and the cross section cut along the vehicle width direction forms a closed cross section.
- a pair of ridgelines formed extending in the vehicle front-rear direction at the connecting portion with the upper wall portion connecting the end portions, and extending in the vehicle vertical direction on the vehicle upper side of the rocker, and the lower portion is provided
- each of the pair of ridge lines formed on the rocker upper and the pair of ridge lines formed on the pillar coincide. That is, each of the pair of ridge lines formed on the rocker upper is continuous with the pair of ridge lines formed on the pillar.
- the vehicle body structure 210 according to the reference example shown in FIG. 9 has a configuration changed as follows with respect to the vehicle body structure 10 according to one embodiment of the present invention described above.
- the above-described intermediate reinforcement lower 54 is configured separately from the Rockaroa 34 and the floor reinforcement lower 44. Further, a flange portion 220 extending inward in the vehicle width direction is formed at the inner end in the vehicle width direction of the rocker lower 34, and the outer end in the vehicle width direction of the intermediate reinforcement lower 54 at the outer end in the vehicle width direction. A flange portion 221 extending in the direction is formed.
- the flange portion 220 is overlapped with the flange portion 62 from the vehicle lower side, and the flange portion 221 is overlapped with the flange portion 220 from the vehicle lower side. And these flange parts 62,220,221 are mutually connected by spot welding etc., for example.
- a flange portion 222 extending outward in the vehicle width direction is formed at an end portion of the floor reinforcement lower 44 on the outer side in the vehicle width direction, and an end portion of the intermediate reinforcement lower 54 on the inner side in the vehicle width direction is A flange portion 223 extending inward in the vehicle width direction is formed.
- the flange portion 222 is overlapped with the flange portion 67 from the vehicle lower side, and the flange portion 223 is overlapped with the flange portion 222 from the vehicle lower side. And these flange parts 67, 222, and 223 are mutually connected by spot welding etc., for example.
- the floor reinforcement is formed at the center between the tunnel portion 22 and the rocker 30 formed at the vehicle width direction center of the floor panel upper 20, and on the vehicle rear side of the front side member.
- a ment 40 is provided.
- An intermediate reinforcement 50 is provided between the rocker 30 and the floor reinforcement 40.
- the collision load transmitted through the front side member does not detour once inward in the vehicle width direction, but the rocker 30 and the floor reinforcement 40. , And transmitted to the vehicle rear side through the three skeletons of the intermediate reinforcement 50.
- the collision load at the time of offset collision can be transmitted efficiently, the collision performance at the time of offset collision can be improved.
- the floor panel constituting the floor of the passenger compartment, and the floor panel provided on the outside of the floor panel in the vehicle width direction extending in the vehicle front-rear direction, and the cross section cut along the vehicle width direction forms a closed cross section.
- a rocker having a rocker upper and a rocker lower divided in the vehicle vertical direction, and a center part between the rocker and the tunnel part formed in the vehicle width direction central part of the floor panel.
- a vehicle extending in the vehicle front-rear direction and disposed between the floor reinforcement disposed on the vehicle rear side of the front side member provided at the front of the vehicle body and the rocker and the floor reinforcement in the vehicle front-rear direction.
- an intermediate reinforcement provided in an extended manner.
- a floor reinforcement is provided at the center of the floor panel between the tunnel portion and the rocker formed in the vehicle width direction center portion and on the vehicle rear side of the front side member. Yes. Further, an intermediate reinforcement is provided between the rocker and the floor reinforcement.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
10 車体構造
12 フロントサイドメンバ
20 フロアパネルアッパ(フロアパネル)
22 トンネル部
30 ロッカ
32 ロッカアッパ
32A,32B ロッカアッパにおける一対の側壁部
32C ロッカアッパにおける上壁部
34 ロッカロア
40 フロアリインフォースメント
42 フロアリインフォースメントアッパ
44 フロアリインフォースメントロア
50 中間リインフォースメント
52 中間リインフォースメントアッパ
54 中間リインフォースメントロア
62 フランジ部(フロアパネルにおける車両幅方向外側の端部)
63 フランジ部(フロアパネルにおける車両幅方向外側の端部に車両下側から結合されたフランジ部)
66 フランジ部(中間リインフォースメントロアとフロアリインフォースメントロアとの間に形成されたフランジ部)
72 稜線(フランジ部とロッカロアとの接続部に形成された稜線)
73 稜線(フランジ部と中間リインフォースメントロアとの接続部に形成された稜線)
80,81 稜線(ロッカアッパにおける一対の側壁部と上壁部との接続部に形成された稜線)
90 フロントピラー(ピラー)
90A フロントピラーロア(ピラーロア)
90B フロントピラーアッパ(ピラーアッパ)
91A,91B 結合片(ピラーの下部)
98 オーバーラップ部
100,101 稜線(ピラーの稜線)
110 フロントドア(ドア)
112 ドアヒンジ
120 センタピラー(ピラー)
120A センタピラーロア(ピラーロア)
120B センタピラーアッパ(ピラーアッパ)
121A,121B 結合片(ピラーの下部)
128 オーバーラップ部
130,131稜線(ピラーの稜線)
132 ドアヒンジ
140,141,142 複数の連結部
Claims (9)
- 車室の床部を構成するフロアパネルと、
前記フロアパネルの車両幅方向外側に車両前後方向に延在して設けられると共に、車両幅方向に沿って切断した断面が閉断面状を成し、且つ、車両上下方向に分割されたロッカアッパ及びロッカロアを有して構成されたロッカと、
前記フロアパネルの車両幅方向中央部に形成されたトンネル部と前記ロッカとの間の中央部に車両前後方向に延在して設けられると共に、車体前部に設けられたフロントサイドメンバの車両後側に配置されたフロアリインフォースメントと、
前記ロッカと前記フロアリインフォースメントとの間に車両前後方向に延在して設けられた中間リインフォースメントを構成すると共に、前記フロアパネルの車両下側に配置され、且つ、前記フロアパネルにおける車両幅方向外側の端部に車両下側から結合されたフランジ部を介して前記ロッカロアと一体に形成された中間リインフォースメントロアと、
を備えた車体構造。 - 前記フランジ部と前記ロッカロアとの接続部、及び、前記フランジ部と前記中間リインフォースメントロアとの接続部には、車両前後方向に延在する稜線がそれぞれ形成されている、
請求項1に記載の車体構造。 - 前記ロッカアッパは、前記フロアパネルにおける車両幅方向外側の端部と一体に形成されている、
請求項1又は請求項2に記載の車体構造。 - 前記フロアリインフォースメントは、前記フロアパネルに一体に形成されたフロアリインフォースメントアッパと、前記フロアパネルの車両下側に配置されると共に、前記フロアリインフォースメントアッパとで車両幅方向に沿って切断した断面が閉断面状を成すフロアリインフォースメントロアとを有し、
前記中間リインフォースメントロアは、前記フロアリインフォースメントロアとの間に形成されて車両下側から前記フロアパネルに結合されたフランジ部を介して前記フロアリインフォースメントロアと一体に形成されている、
請求項1~請求項3のいずれか一項に記載の車体構造。 - 前記フロアパネルに一体に形成されて前記中間リインフォースメントロアとで車両幅方向に沿って切断した断面が閉断面状を成す前記中間リインフォースメントを構成する中間リインフォースメントアッパを備えた、
請求項1~請求項4のいずれか一項に記載の車体構造。 - 前記フロアパネル、前記ロッカ、前記フロアリインフォースメント、及び、前記中間リインフォースメントのうち、少なくとも前記ロッカは、高張力鋼板により形成されている、
請求項1~請求項5のいずれか一項に記載の車体構造。 - 車両幅方向に延在され、前記ロッカ、前記中間リインフォースメント、前記フロアリインフォースメント、及び、前記トンネル部の各々の間を連結する複数の連結部を備えた、
請求項1~請求項6のいずれか一項に記載の車体構造。 - 前記ロッカアッパは、車両幅方向に向かい合う一対の側壁部と、前記一対の側壁部における車両上側の端部を連結する上壁部とを有すると共に、前記一対の側壁部と前記上壁部との接続部に車両前後方向に延在する稜線がそれぞれ形成された構成とされ、
前記ロッカの車両上側には、車両上下方向に延在すると共に、下部が前記一対の側壁部とそれぞれ結合され、且つ、前記ロッカアッパに形成された前記一対の稜線の各々と車両幅方向の位置が一致する一対の稜線を有するピラーが設けられている、
請求項1~請求項7のいずれか一項に記載の車体構造。 - 前記ピラーは、ピラーロアと、下端部が前記ピラーロアの上端部と車両上下方向にオーバーラップされた状態で結合されたピラーアッパとを有し、
前記ピラーロアと前記ピラーアッパとのオーバーラップ部には、車両の側部に設けられたドアを開閉可能に支持するドアヒンジが固定されている、
請求項8に記載の車体構造。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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EP11870169.7A EP2647554B1 (en) | 2011-09-01 | 2011-09-01 | Car body structure |
KR1020137007429A KR101370672B1 (ko) | 2011-09-01 | 2011-09-01 | 차체구조 |
PCT/JP2011/069951 WO2013031008A1 (ja) | 2011-09-01 | 2011-09-01 | 車体構造 |
US13/825,134 US8827355B2 (en) | 2011-09-01 | 2011-09-01 | Vehicle body structure |
JP2012528171A JP5288054B1 (ja) | 2011-09-01 | 2011-09-01 | 車体構造 |
CN201180045954.9A CN103118928B (zh) | 2011-09-01 | 2011-09-01 | 车身构造 |
BR112013006678A BR112013006678A2 (pt) | 2011-09-01 | 2011-09-01 | estrutura de carroceria de veículo |
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PCT/JP2011/069951 WO2013031008A1 (ja) | 2011-09-01 | 2011-09-01 | 車体構造 |
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US (1) | US8827355B2 (ja) |
EP (1) | EP2647554B1 (ja) |
JP (1) | JP5288054B1 (ja) |
KR (1) | KR101370672B1 (ja) |
CN (1) | CN103118928B (ja) |
BR (1) | BR112013006678A2 (ja) |
WO (1) | WO2013031008A1 (ja) |
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CN106515866A (zh) * | 2015-09-15 | 2017-03-22 | 丰田自动车株式会社 | 车辆框架结构 |
US9758192B2 (en) * | 2015-05-11 | 2017-09-12 | Ford Global Technologies, Llc | Underbody structure for absorbing energy to improve roof structure integrity during side impact |
US10518809B2 (en) | 2017-03-03 | 2019-12-31 | Toyota Jidosha Kabushiki Kaisha | Vehicle rear structure |
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WO2013084324A1 (ja) | 2011-12-07 | 2013-06-13 | トヨタ自動車株式会社 | 車体下部構造 |
JP2017077763A (ja) * | 2015-10-19 | 2017-04-27 | トヨタ自動車株式会社 | 車両床部構造 |
JP6597562B2 (ja) * | 2016-11-08 | 2019-10-30 | トヨタ自動車株式会社 | 車両下部構造 |
CN110027622A (zh) * | 2018-01-12 | 2019-07-19 | 丰田自动车株式会社 | 车辆下部构造 |
JP7211987B2 (ja) * | 2020-01-17 | 2023-01-24 | トヨタ自動車株式会社 | 車体下部構造 |
JP7298507B2 (ja) * | 2020-02-25 | 2023-06-27 | トヨタ自動車株式会社 | 車両の乗降口構造 |
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US10518809B2 (en) | 2017-03-03 | 2019-12-31 | Toyota Jidosha Kabushiki Kaisha | Vehicle rear structure |
DE102018203104B4 (de) | 2017-03-03 | 2021-07-29 | Toyota Jidosha Kabushiki Kaisha | Fahrzeugheckstruktur |
Also Published As
Publication number | Publication date |
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EP2647554B1 (en) | 2014-10-22 |
EP2647554A4 (en) | 2013-11-06 |
EP2647554A1 (en) | 2013-10-09 |
BR112013006678A2 (pt) | 2016-06-07 |
JPWO2013031008A1 (ja) | 2015-03-23 |
JP5288054B1 (ja) | 2013-09-11 |
KR20130058056A (ko) | 2013-06-03 |
CN103118928B (zh) | 2014-12-31 |
US8827355B2 (en) | 2014-09-09 |
US20140159422A1 (en) | 2014-06-12 |
CN103118928A (zh) | 2013-05-22 |
KR101370672B1 (ko) | 2014-03-04 |
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